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primary 6 | Maths
| Fractions
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Date Posted: 3 years ago
Views: 397
#ratio
S : S_b= 5 : 2
= 20 : 8
T : S : w/o_S
= 25 : 4 :21
= 125 : 20 : 105
w/o_S_b = 105-30 = 75
75÷125 × 100%
= 60% (Ans)
S : S_b= 5 : 2
= 20 : 8
T : S : w/o_S
= 25 : 4 :21
= 125 : 20 : 105
w/o_S_b = 105-30 = 75
75÷125 × 100%
= 60% (Ans)
See 1 Answer
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